On whitham equations for camassa-holm

Author: mgce

August undefined, 2024

WebA numerical study of this limit for smooth hump-like initial data provides strong evidence for the validity of the conjecture that the phase of the asymptotic solution of the Camassa–Holm equation depends on the physical coordinates via the Whitham equations. Expand 3 PDF Save Alert WebIn this paper, we present some preliminary work in the direction of numerically compare the solution to the Cauchy problem of the Camassa–Holm equation in the limit ε → 0 and the approximate solution which should be described by the corresponding Whitham equations.

(PDF) Modulation of Camassa--Holm equation and …

Web16 de mai. de 2008 · We study the Whitham equations for the Camassa-Holm equation. The equations are neither strictly hyperbolic nor genuinely nonlinear. We are interested … WebThis shows that the Camassa–Holm equation is a model for shallow water waves with non-hydrostatic pressure and a water layer on a horizontal bed. The linear dispersion … clinton letter to bush

On a generalized Camassa‐Holm type equation with ( k+1 …

WebA mapping function approach applied to some classes of nonlinear equations . × Close Log In. Log in with Facebook Log in with Google. or. Email. Password. Remember me on this computer. or reset password. Enter the email address you signed up with and we'll email ... Web5 de set. de 2009 · Numerical Solution of the Small Dispersion Limit of the Camassa-Holm and Whitham Equations and Multiscale Expansions S. Abenda, T. Grava, C. Klein The small dispersion limit of solutions to the Camassa-Holm (CH) equation is characterized by the appearance of a zone of rapid modulated oscillations. Web14 de mar. de 2005 · The Camassa–Holm and most members of Whitham's equation family were derived as one-space-dimensional approximations to the irrotational surface water waves in various parameter regimes (perhaps with additional complications such as Coriolis forces included), so one would expect very similar behavior, even though … bobcat crossed with domestic cat

On whitham equations for camassa-holm

A Note on the Generalized Camassa-Holm Equation

Web25 de nov. de 2024 · The nonlinear Schrödinger (NLS) equation and the Whitham modulation equations both describe slowly varying, locally periodic nonlinear wavetrains, albeit in differing amplitude‐frequency domains. In… 13 PDF View 2 excerpts, references methods Multiphase averaging and the inverse spectral solution of the Korteweg—de … WebWe study the generalized Camassa-Holm equation which contains the Camassa-Holm (CH) equation and Novikov equation as special cases with the periodic boundary condition. We get a blow-up scenario and obtain the global existence of strong and weak solutions under suitable assumptions, respectively. Then, we construct the periodic peaked …

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WebCamassa and Holm [1993] recently derived a new dispersive shallow water equation known as the Camassa–Holm equation. ... Periodic Wave Solutions and Their Asymptotic Property for a Modified Fornberg–Whitham Equation. Yiren Chen. 15 September 2024 Symmetry, Vol. 12, No. 9. Web28 de fev. de 2024 · We determine the stability and instability of a sufficiently small and periodic traveling wave to long wavelength perturbations, for a nonlinear dispersive equation which extends a Camassa-Holm equation to include all the dispersion of water waves and the Whitham equation to include nonlinearities of medium amplitude waves. …

WebModulation of Camassa--Holm equation and reciprocal transformations Abenda, Simonetta ; Grava, Tamara We derive the modulation equations or Whitham equations for the Camassa--Holm (CH) equation. We show that the modulation equations are hyperbolic and admit bi-Hamiltonian structure. WebThe Camassa–Holm equation has a number of constants of motion arising as eigenvalues of an associated spectral problem. ... Yang S (2024) Wave Breaking Phenomena for the Fornberg–Whitham Equation, Journal of Dynamics and Differential Equations, 10.1007/s10884-020-09866-z, 33:4, ...

Web1 de jun. de 2024 · In this paper, we investigate the generalized Camassa–Holm equation with k + 1 degree nonlinearities. The global existence is established, provided that 0 < b < k and the initial data y0= (1−∂x2)u0 do… Expand Save Alert Large Time Behavior of Momentum Support for a Novikov Type Equation Caochuan Ma, Yaqiang Cao, … WebWe apply the method of nonlinear steepest descent to compute the long-time asymptotics of the Camassa–Holm equation for decaying initial data, completing previous results by …

Web15 de nov. de 2007 · These Whitham equations are quasilinear hyperbolic equations and they describe the averaged dynamics of the rapid oscillations which appear in the … clinton lewis eastman gaWeb1 de set. de 2009 · In this paper we take up the question of a small dispersion limit for the Camassa-Holm equation. The particular limit we study involves a modification of the Camassa-Holm equation, seen in the recent theoretical … clinton lewis agrofreshWeb5 de out. de 2024 · It is interesting that the FW equation does not only allow traveling wave solutions like the KdV equation, but also possess peakon solutions [11] as some Camassa–Holm type equations. However, the FW equation is not integrable [20] and there is no useful conservation laws which would be used to make estimates of solutions, … bobcat crusherWebWell-posedness of higher dimensional Camassa-Holm equations on manifolds with boundary Fran¸cois Gay-Balmaz1 AMS Classiﬁcation: 37K65, 35Q35, 35Q53, 58D05, 58B20, 53D25. Keywords: Camassa-Holm equations, well-posedness, Sobolev diﬀeomorphism group, weak Riemannian metrics, geodesic spray, Euler-Poincar´e … bobcat cross with domestic catWeb5 de nov. de 2024 · More specifically, we will now focus on the Cauchy problem for the periodic higher-order Camassa–Holm equations, i.e.(1.3){mt+(u2−ux2)p−1uxm+(u(u2−ux2)p−1m)x=0,t>0,x∈S,u(0,x)=u0(x),x∈S,where S=R/Z=[0,1)is the unit circle, and aim to leverage ideas from our previous work to further … clinton lewinsky comicWeb15 de nov. de 2006 · We present a Riemann–Hilbert problem formalism for the initial value problem for the Camassa–Holm equation u t − u t x x + 2 ω u x + 3 u u x = 2 u x u x x + … clinton lewinsky hearingWeb2 de mai. de 2007 · We survey some topics involving the Whitham equations, concentrating on the role of ψψ ∗ (or square eigenfunctions) in averaging, where ψ is the … bobcat cry